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-rw-r--r--interp/genarg.ml54
1 files changed, 34 insertions, 20 deletions
diff --git a/interp/genarg.ml b/interp/genarg.ml
index dd75bbfc..a9adbe83 100644
--- a/interp/genarg.ml
+++ b/interp/genarg.ml
@@ -1,19 +1,17 @@
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
-(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *)
+(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
-(* $Id: genarg.ml 14641 2011-11-06 11:59:10Z herbelin $ *)
-
open Pp
open Util
open Names
open Nameops
open Nametab
-open Rawterm
+open Glob_term
open Topconstr
open Term
open Evd
@@ -53,11 +51,11 @@ let loc_of_or_by_notation f = function
| AN c -> f c
| ByNotation (loc,s,_) -> loc
-type rawconstr_and_expr = rawconstr * constr_expr option
+type glob_constr_and_expr = glob_constr * constr_expr option
type open_constr_expr = unit * constr_expr
-type open_rawconstr = unit * rawconstr_and_expr
+type open_glob_constr = unit * glob_constr_and_expr
-type rawconstr_pattern_and_expr = rawconstr_and_expr * Pattern.constr_pattern
+type glob_constr_pattern_and_expr = glob_constr_and_expr * Pattern.constr_pattern
type 'a with_ebindings = 'a * open_constr bindings
@@ -65,23 +63,10 @@ type 'a with_ebindings = 'a * open_constr bindings
type 'a generic_argument = argument_type * Obj.t
-let dyntab = ref ([] : string list)
-
type rlevel
type glevel
type tlevel
-type ('a,'b) abstract_argument_type = argument_type
-
-let create_arg s =
- if List.mem s !dyntab then
- anomaly ("Genarg.create: already declared generic argument " ^ s);
- dyntab := s :: !dyntab;
- let t = ExtraArgType s in
- (t,t,t)
-
-let exists_argtype s = List.mem s !dyntab
-
type intro_pattern_expr =
| IntroOrAndPattern of or_and_intro_pattern_expr
| IntroWildcard
@@ -261,3 +246,32 @@ let unquote x = x
type an_arg_of_this_type = Obj.t
let in_generic t x = (t, Obj.repr x)
+
+let dyntab = ref ([] : (string * glevel generic_argument option) list)
+
+type ('a,'b) abstract_argument_type = argument_type
+
+let create_arg v s =
+ if List.mem_assoc s !dyntab then
+ anomaly ("Genarg.create: already declared generic argument " ^ s);
+ let t = ExtraArgType s in
+ dyntab := (s,Option.map (in_gen t) v) :: !dyntab;
+ (t,t,t)
+
+let exists_argtype s = List.mem_assoc s !dyntab
+
+let default_empty_argtype_value s = List.assoc s !dyntab
+
+let default_empty_value t =
+ let rec aux = function
+ | List0ArgType _ -> Some (in_gen t [])
+ | OptArgType _ -> Some (in_gen t None)
+ | PairArgType(t1,t2) ->
+ (match aux t1, aux t2 with
+ | Some (_,v1), Some (_,v2) -> Some (in_gen t (v1,v2))
+ | _ -> None)
+ | ExtraArgType s -> default_empty_argtype_value s
+ | _ -> None in
+ match aux t with
+ | Some v -> Some (out_gen t v)
+ | None -> None